True: A radius is a line segment joining the center of a circle to any point on the circle, Circumference is the distance around or “perimeter” of a circle, A diameter is a chord that goes through the center of a circle, A diameter is a special type of chord,  A chord is a line segment connecting any two points on a circle. , the circumference is about 3 times the length of the diameter, False: A chord only needs to touch one point on the outside of a circle, the diameter is half the radius, a radius and a diameter are the same thing, this is a picture of a chord,

Parts of a Circle Definitions and Relationships

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